diff --git a/typescript/types/layout.d.ts b/typescript/types/layout.d.ts
index ac4b0015c..167ede29d 100644
--- a/typescript/types/layout.d.ts
+++ b/typescript/types/layout.d.ts
@@ -140,6 +140,6 @@ declare module Layout {
       r?: Rotation,
     } | {
       type: "custom",
-      render: (h: Hierarchy) => void,
+      render: (h: RenderedHierarchy) => void,
     };
 }